Composition-tuned Y4Al2O9/Y2O3 composite coatings for enhanced CMAS corrosion resistance at 1300 °C and 1500 °C

Key Points

• Enhanced corrosion resistance was observed in Y4Al2O9/Y2O3 composite coatings under CMAS exposure at 1300 °C and 1500 °C.
• Key metrics show that these coatings effectively reduce degradation rates, suggesting improved longevity in extreme conditions.
• Analysis of performance across critical temperatures indicates that composition tuning plays a vital role in enhancing protective properties.
• Further research may solidify the applicability of these composite coatings for commercial use in high-temperature environments.